\begin{tabular*}{1.7\textwidth}{l@{\extracolsep{\fill}}*{8}{c}}
\toprule
& \multicolumn{1}{c}{\textbf{OVERALL}} & \multicolumn{4}{c}{\textbf{WORK}} & \multicolumn{3}{c}{\textbf{WELL-BEING}}\\
\cmidrule(lr){2-2}\cmidrule(lr){3-6}\cmidrule(lr){7-9} & \textbf{Index} & \textbf{Earnings} & Productivity & Labor Supply & Output  & \textbf{Index} & Physical & Mental \\
 & (1) & (2) & (3) & (4) & (5) & (6) & (7) & (8) \\
\midrule
\textbf{Night-Sleep Only} & \textbf{-0.02} & \textbf{-0.07} & -0.02 & -0.07 & -0.08  &  \textbf{0.09} & 0.12 & 0.00 \\
 & (0.06) & (0.03) & (0.02) & (0.03) & (0.03)  & (0.04) & (0.06) & (0.08) \\
& \{0.69\} & \{0.02\} [0.10] & \{0.43\} [0.44] & \{0.04\} [0.09] & \{0.01\} [0.02] & \{0.05\} [0.13] & \{0.03\} [0.07] & \{0.99\} [0.99] \\
\addlinespace
\textbf{Nap Only} & \textbf{0.11} & \textbf{-0.07} & -0.01 & -0.07 & -0.05  & \textbf{0.18} & 0.16 & 0.19 \\
& (0.07) & (0.04) & (0.03) & (0.04) & (0.04) & (0.06) & (0.07) & (0.10) \\
& \{0.11\} & \{0.10\} [0.28] & \{0.65\} [0.66] & \{0.07\} [0.16] & \{0.17\} [0.28] & \{0.00\} [0.01] & \{0.01\} [0.03] & \{0.05\} [0.05] \\
\addlinespace
\textbf{Night-Sleep and Nap} & \textbf{0.11} & \textbf{-0.07} & 0.04 & -0.16 & -0.05  & \textbf{0.12} & 0.11 & 0.09 \\
& (0.06) & (0.03) & (0.02) & (0.04) & (0.03)  & (0.04) & (0.06) & (0.08) \\
& \{0.06\} & \{0.04\} [0.11] & \{0.08\} [0.08] & \{0.00\} [0.00] & \{0.06\} [0.08] & \{0.01\} [0.03] & \{0.04\} [0.09] & \{0.25\} [0.25] \\
\addlinespace
\midrule
Participants & 451 & 451  & 451 & 451 & 451  & 452 & 452 & 452 \\
\addlinespace
\textit{p}-values NS vs. Nap & \{0.03\} & \{0.79\} [0.79] & \{0.87\} [0.93] & \{0.94\} [0.93] & \{0.38\} [0.69] & \{0.07\} [0.25] & \{0.47\} [0.50] & \{0.02\} [0.05] \\ 
\addlinespace
\textit{p}-values NS vs. Both & \{0.01\} & \{0.87\} [0.87] & \{0.00\} [0.01] & \{0.00\} [0.01] & \{0.29\} [0.30] & \{0.41\} [0.67] & \{0.84\} [0.86] & \{0.16\} [0.31] \\ 
\addlinespace
\textit{p}-values Nap vs. Both & \{0.98\} & \{0.88\} [0.91] & \{0.04\} [0.08] & \{0.01\} [0.01] & \{0.88\} [0.88] & \{0.21\} [0.61] & \{0.37\} [0.40] & \{0.23\} [0.40]\\ 
\midrule
\end{tabular*}
